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Old 12-06-2012, 05:36 PM   #29
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Originally Posted by Freedomrider View Post
jdalrymple,

I had not thought of this. Surely, this is something that is good to know. I will have a chance to put all of this info into practice tomorrow. We get the "Roadrunner" out of storage for a day of practicing backing, then to Walmart parking for the rest of the day.

The learning curve for a newbie is so steep.

Thanks all.
Good for you. Awaiting practice pictures !!!
Congratulations ...
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Old 12-07-2012, 05:51 AM   #30
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An Airstreamer owner will eventually ask himself, "how bad do I really need 2 AC units blowing cold air when I'm not connected to shore power...?"
This question is answered by another question...How badly do you want to maintain relations your present spouse/companion/significant other?

If momma ain't happy ain't nobody happy.
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Old 12-07-2012, 08:30 AM   #31
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This question is answered by another question...How badly do you want to maintain relations your present spouse/companion/significant other?

If momma ain't happy ain't nobody happy.
Roger that, amigo! Gotta keep momma happy, for sure
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Old 12-12-2012, 05:58 PM   #32
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Why not the heat pump? You're still just running the AC, only in the opposite direction.
Our heat pump in AC mode draws more current on start up than the solo EU2000 is rated for ... in heat mode, it is even more ....
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Old 12-12-2012, 06:38 PM   #33
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Our heat pump in AC mode draws more current on start up than the solo EU2000 is rated for ... in heat mode, it is even more ....
The start current of your AC is over 30A? At sea level the peak output of the paired EU2000 with eco mode off should be a little over 30A, and about 27A continuous (assuming 120V). Maybe something's not right with your heat pump...

"Locked Rotor" amps is probably going to be much higher, but that's what capacitors are for and should be demanded for only a fraction of a second.
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Old 12-12-2012, 09:14 PM   #34
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Our heat pump in AC mode draws more current on start up than the solo EU2000 is rated for ...
This much I understand.
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in heat mode, it is even more ....
It's this part I don't.

Why does it draw more in heat mode?
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Old 12-12-2012, 10:15 PM   #35
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The start current of your AC is over 30A? At sea level the peak output of the paired EU2000 with eco mode off should be a little over 30A, and about 27A continuous (assuming 120V). Maybe something's not right with your heat pump...

"Locked Rotor" amps is probably going to be much higher, but that's what capacitors are for and should be demanded for only a fraction of a second.
d'oh! I missed the "solo" part re: the EU2000... the only person claiming to run AC on 1 is the guy w/ the 5k BTU window unit (can't remember who at this point) right?

<on edit> There's the source of my confusion... in post #23 mefly2 is saying you can't run the heat pump on a PAIR of EU2000i Hondas. Looking at the Coleman Mach HP2 specs, it looks like 33A peak/27A continuous from a pair of EU2000is should be enough to run it.
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Old 12-12-2012, 10:30 PM   #36
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Thanks, I learned a lot from this thread. We are looking for generators as we speak!
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Old 12-13-2012, 06:20 AM   #37
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I have the same exact set-up and it has never kicked off my two Hondas. They power the heat pump just fine. Can't tell any difference between A/C mode and heat pump mode.
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Old 12-13-2012, 09:55 AM   #38
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We are staying at a state park that has power outages sometimes in the winter. I think I need the furnace to keep the tanks from freezing, but often the daytime temps are warm enough for the heat pump. If we are stranded there for several days (ice storms in Alabama) and I only have one generator what is my best plan? I have 8 weeks experience total! I try to get the propane tanks re-filled right away, and we set the thermostat in the low 60's all the time we are there, and disconnect the water hose at night.
Is one EU2000i enough to get us through days of forced boon docking?
Stan
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Old 12-13-2012, 10:56 AM   #39
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We are staying at a state park that has power outages sometimes in the winter. I think I need the furnace to keep the tanks from freezing, but often the daytime temps are warm enough for the heat pump. If we are stranded there for several days (ice storms in Alabama) and I only have one generator what is my best plan? I have 8 weeks experience total! I try to get the propane tanks re-filled right away, and we set the thermostat in the low 60's all the time we are there, and disconnect the water hose at night.
Is one EU2000i enough to get us through days of forced boon docking?
Stan
Make sure you keep up with your propane levels and gas for the generator. The furnace will run as long as you have battery and propane and should keep up with any temperatures you're likely to experience in Alabama, and your EU2000i is plenty to recharge the batteries in the daytime. Don't skimp on recharging the batteries, and you should be fine.
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Old 12-13-2012, 11:22 AM   #40
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How much Power is needed?

Quote:
Originally Posted by glfbllrcks View Post
We are staying at a state park that has power outages sometimes in the winter. I think I need the furnace to keep the tanks from freezing, but often the daytime temps are warm enough for the heat pump. If we are stranded there for several days (ice storms in Alabama) and I only have one generator what is my best plan? I have 8 weeks experience total! I try to get the propane tanks re-filled right away, and we set the thermostat in the low 60's all the time we are there, and disconnect the water hose at night.
Is one EU2000i enough to get us through days of forced boon docking?
Stan
Hi Stan,

We can survive in a winter (freezing nights/non-freezing days) dry-camping mode with our EU2000 as a back-up power source, no problem. I've got a 190-watt PV solar panel charging a two-AGM battery array. Assuming plenty of LPG and good battery array condition, we're good for 3 days without connecting the Honda EU if there's cloud cover (ie, no sun rays to convert to DC power to charge array - 210 amp-hour storage). These are basically the conditions you're describing in your question above.

In the scenario above, the forced air furnace not only heats the interior but also forces warm air over the tanks in the "basement" keeping them and ancillary plumbing from freeze damage. Full 30-lbs LPG tanks will last for at least 2-3 weeks under these conditions.

So long as you have enough amp-hour storage in your batteries, you shouldn't have a problem keeping your furnace on during freezing conditions at night without using the generator. If you doubt the condition (amp-hour storage) of your batteries, you can always fire-up your Honda which will charge them through your converter/charger.

If you're considering running the heat pump during the day (A/C mode) to cool off the interior, your EU2000 will not have enough power to run the A/C forcing you to use the "unreliable" shore power 30amp service.

Sounds like the power service at your campground is "unreliable" and if you don't already have one, its recommended that you install a quality surge protector to save electronic devices from frying should your electrical system become victim of damaging current surges.

Hope this helps out...

Cheers,

Art
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Old 12-14-2012, 08:10 AM   #41
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Thank you folks! Off to buy a Honda EU2000i.
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Old 12-14-2012, 08:51 AM   #42
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If your TV is an enclosed SUV and the Airstream frame will not support heavy stuff hanging of the backend above the bumper, where do you store two generator sets going down the road along with the extra gas can?

From reading the forums, it appears that most campsites that provide a power hookup have a 30 amp 120Vac connection. Some might have a 15 amp 120Vac connection.

I recently upgraded the factory converter from single stage to triple stage with DC filtering on all circuits (uses the factory enclosure and 120Vac panel). This gave me a golden opportunity to check out the wiring. When one sees the 120Vac and 12Vdc wiring schematic, there would be many reasons for a split bus to provide more flexibility. If one has both shore power and a gen set, then putting the A/C on the gen set and off the Airstream bus would allow for the refrigerator, water heater, converter and a coffee pot to operate at the same time time frame.

On our trailer, the A/C and water heater each have their own 120Vac circuit breakers. They could be candidates for possible circuit modification.

Just thinking....
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